Karthik Palanisamy created HADOOP-13468: -------------------------------------------
Summary: In HA, Namenode is failed to start If any of the Quorum hostname is unresolved Key: HADOOP-13468 URL: https://issues.apache.org/jira/browse/HADOOP-13468 Project: Hadoop Common Issue Type: Bug Affects Versions: 2.7.0, 2.8.0 Environment: HDP-2.4.0 Reporter: Karthik Palanisamy 2016-08-03 02:53:53,760 ERROR namenode.NameNode (NameNode.java:main(1712)) - Failed to start namenode. java.lang.IllegalArgumentException: Unable to construct journal, qjournal://xxxx1:8485;xxxx2:8485;xxxx3:8485/shva at org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1637) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initJournals(FSEditLog.java:282) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.initSharedJournalsForRead(FSEditLog.java:260) at org.apache.hadoop.hdfs.server.namenode.FSImage.initEditLog(FSImage.java:789) at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.java:634) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:294) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:983) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:688) at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:662) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:726) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:951) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:935) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1641) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1707) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at org.apache.hadoop.hdfs.server.namenode.FSEditLog.createJournal(FSEditLog.java:1635) ... 13 more Caused by: java.lang.NullPointerException at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannelMetrics.getName(IPCLoggerChannelMetrics.java:107) at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannelMetrics.create(IPCLoggerChannelMetrics.java:91) at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel.<init>(IPCLoggerChannel.java:178) at org.apache.hadoop.hdfs.qjournal.client.IPCLoggerChannel$1.createLogger(IPCLoggerChannel.java:156) at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:367) at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.createLoggers(QuorumJournalManager.java:149) at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:116) at org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.<init>(QuorumJournalManager.java:105) ... 18 more 2016-08-03 02:53:53,765 INFO util.ExitUtil (ExitUtil.java:terminate(124)) - Exiting with status 1 2016-08-03 02:53:53,768 INFO namenode.NameNode (LogAdapter.java:info(47)) - SHUTDOWN_MSG: *and the failover is not successful* I have attached the patch, It allows the Namenode to start if the majority of the Quorums are resolvable. throws warning if the quorum is unresolvable. throws Unknown host exception if the majority of the journals are unresolvable. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-dev-h...@hadoop.apache.org